CVSS 4.0
2.1 lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PCVE-2026-124987
Low (2.1) in mikefarah yq. EPSS 0.2% estimated probability of exploitation activity in the next 30 days.
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A vulnerability has been found in mikefarah yq up to 4.53.3. This affects the function Encode of the file pkg/yqlib/encoder_properties.go. Such manipulation leads to escaping of output. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
Severity
CVSS 3.1
6.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L- EPSS
- 0.2% estimated probability of exploitation activity in the next 30 days; 16th percentile. Scored 2026-11-10. A forecast for this CVE across the internet, not for your own systems.
- CWEs
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)
CWE-116 Improper Encoding or Escaping of Output - OWASP Top 10
- A05:2025 Injection
- Published
- Modified
- NVD analysis
- Deferred: the NVD does not plan to analyze it
- Record from
- the NVD, synced
Ask an AI about this CVE
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Explain CVE-2026-124987 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-124987?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-124987?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-124987 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| mikefarah yq | 4.53.0 |
| mikefarah yq | 4.53.1 |
| mikefarah yq | 4.53.2 |
| mikefarah yq | 4.53.3 |
Attack patterns (CAPEC)
- CAPEC-73 User-Controlled Filename Likelihood: High · Severity: High
- CAPEC-81 Web Server Logs Tampering Likelihood: Medium · Severity: High
- CAPEC-85 AJAX Footprinting Likelihood: High · Severity: Low
- CAPEC-104 Cross Zone Scripting Likelihood: Medium · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-74 (37).
History
- Score 5.3 → 2.1 low
- The NVD deferred its analysis
Changes since this site first stored the record. The same for every record: /api/public/changes.